10th/27th Battalion, Royal South Australia Regiment

The 10th/27th Battalion, Royal South Australia Regiment, is an Army Reserve Infantry Battalion.

10th/27th Battalion, Royal South Australia Regiment (10/27 RSAR), is part of the 9th Brigade, 2nd Division.

10/27 RSAR is a dynamic infantry unit with a proud history dating back to the 10th, 27th and 43rd Battalions raised for World War I. In 1987, the 10th and 27th Battalions were combined to form the modern 10/27 RSAR.